Home / 11,091.90-16,632.30-3,693.76

Finding the Fourth Proportional to 11,091.90, 16,632.30 and 3,693.76

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Solution

The fourth proportional to 11,091.90, 16,632.30 and 3,693.76 is: 5,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.90 : 16,632.30 = 3,693.76 : x
  2. Step 2: Convert to fraction form
    11,091.90/16,632.30 = 3,693.76/x
  3. Step 3: Cross multiply
    11,091.90x = 16,632.30 × 3,693.76
  4. Step 4: Simplify right side
    11,091.90x = 61,435,724.45
  5. Step 5: Solve for x
    x = 61,435,724.45/11,091.90
  6. Step 6: Final answer
    x = 5,538.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.